From: York Sun <york.sun@nxp.com>
To: u-boot@lists.denx.de
Subject: [U-Boot] [PATCH v3 4/7] armv8: ls1043ardb: Use static DDR setting for SPL boot
Date: Fri, 29 Sep 2017 15:07:50 +0000 [thread overview]
Message-ID: <VI1PR04MB2078CC5671CCBA7194D07D399A7E0@VI1PR04MB2078.eurprd04.prod.outlook.com> (raw)
In-Reply-To: eb5939b9-4fab-34b2-41b3-0a4591eaf878@denx.de
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On 09/29/2017 12:44 AM, Łukasz Majewski wrote:
> Hi York,
>
>> This board has soldered DDR chips. To reduce the SPL image size,
>> use static DDR setting instead of dynamic DDR driver.
>
> I'm just wondering - since your board supports FIT in SPL, maybe it
> would be good to have a binary blob with DDR RAM settings embedded into it?
>
> Then you would be able to provide "hardcoded" SDRAM setup via it?
> In this way it could be easily replaceable?
>
Lukasz,
It sounds reasonable but doesn't work for our platforms. The limitation
is the static RAM. In order to load anything, we need to have some
memory. Lacking of memory is the exact reason I have to use static DDR
setting. I have to make room for other drivers in SPL.
York
next prev parent reply other threads:[~2017-09-29 15:07 UTC|newest]
Thread overview: 17+ messages / expand[flat|nested] mbox.gz Atom feed top
2017-09-28 15:42 [U-Boot] [PATCH v3 0/7] Enable falcon boot for LS1043ARDB York Sun
2017-09-28 15:42 ` [U-Boot] [PATCH v3 1/7] spl: fix assignment of board info to global data York Sun
2017-10-03 15:08 ` York Sun
2017-10-09 4:44 ` Simon Glass
2017-10-13 18:34 ` York Sun
2017-09-28 15:42 ` [U-Boot] [PATCH v3 2/7] cmd: spl: fix compiling error when CONFIG_CMD_SPL_WRITE_SIZE not defined York Sun
2017-09-28 15:42 ` [U-Boot] [PATCH v3 3/7] armv8: fsl-layerscape: Avoid running dram_init_banksize again York Sun
2017-09-28 15:42 ` [U-Boot] [PATCH v3 4/7] armv8: ls1043ardb: Use static DDR setting for SPL boot York Sun
2017-09-29 7:44 ` Łukasz Majewski
2017-09-29 15:07 ` York Sun [this message]
2017-09-29 16:06 ` Łukasz Majewski
2017-09-29 17:05 ` York Sun
2017-09-28 15:42 ` [U-Boot] [PATCH v3 5/7] armv8: layerscape: Enable falcon boot York Sun
2017-09-29 8:02 ` Łukasz Majewski
2017-09-29 15:19 ` York Sun
2017-09-28 15:42 ` [U-Boot] [PATCH v3 6/7] armv8: ls1043ardb: Enable spl_board_init() function York Sun
2017-09-28 15:42 ` [U-Boot] [PATCH v3 7/7] armv8: ls1043ardb_sdcard: prepare falcon boot York Sun
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